2212706 has 8 divisors (see below), whose sum is σ = 3326400. Its totient is φ = 1103908.

The previous prime is 2212699. The next prime is 2212709. The reversal of 2212706 is 6072122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (2212709) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 275 + ... + 2121.

It is an arithmetic number, because the mean of its divisors is an integer number (415800).

2^2212706 is an apocalyptic number.

2212706 is a deficient number, since it is larger than the sum of its proper divisors (1113694).

2212706 is a wasteful number, since it uses less digits than its factorization.

2212706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2448.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 2212706 is about 1487.5167225951. The cubic root of 2212706 is about 130.3090477590.

Adding to 2212706 its reverse (6072122), we get a palindrome (8284828).

The spelling of 2212706 in words is "two million, two hundred twelve thousand, seven hundred six".